CVE-2026-75438

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Source
https://cve.org/CVERecord?id=CVE-2026-75438
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-75438.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-75438
Published
2026-09-04T00:00:00Z
Modified
2026-09-09T08:07:05Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Buffer Overflow vulnerability in Open5GS v2.7.7 allows a remote attacker to cause a denial of service via the ogs_sbi_time_parse() function

Database specific 
{
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75438.json"
}
References

Affected packages

Git / github.com/open5gs/open5gs

Affected ranges

Type
GIT
Repo
https://github.com/open5gs/open5gs
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
7227b2f5b254160286798e058c189224360d99fc
Database specific
Show details 
{
    "source": "REFERENCES"
}

Affected versions

v0.*
v0.1.0
v0.1.1
v0.2.0
v0.3.0
v0.3.1
v0.3.10
v0.3.2
v0.3.3
v0.3.4
v0.3.5
v0.3.6
v0.3.8
v0.4.1
v0.4.2
v0.4.3
v0.4.4
v0.5.0
v0.5.1
v0.5.2
v1.*
v1.0.0
v1.1.0
v1.2.0
v1.2.1
v1.2.2
v1.2.3
v1.2.4
v1.3.0
v2.*
v2.0.0
v2.0.18
v2.0.22
v2.1.0
v2.1.1
v2.1.3
v2.1.4
v2.1.5
v2.1.7
v2.2.0
v2.2.1
v2.2.6
v2.2.7
v2.2.8
v2.2.9
v2.3.0
v2.3.2
v2.3.6
v2.4.0
v2.4.1
v2.4.3
v2.4.4
v2.4.5
v2.4.7
v2.4.8
v2.4.9
v2.6.1
v2.6.2
v2.6.3
v2.6.4
v2.6.6
v2.7.0
v2.7.1
v2.7.2
v2.7.7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-75438.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "139889821063634440259724723238358218705",
                "213445524381781242751445928817591808614",
                "45486267317701133517003432768721419534",
                "229409448709864650336235914961095460119",
                "333024153774576923473678373866661972363",
                "216985317915551363690598047934895543325",
                "173495682440118798035656499730968771753"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-75438-a03e7325",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/7227b2f5b254160286798e058c189224360d99fc",
        "target": {
            "file": "lib/sbi/conv.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "4042691024094701910684187222694619057",
            "length": 1389
        },
        "id": "CVE-2026-75438-f4418361",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/7227b2f5b254160286798e058c189224360d99fc",
        "target": {
            "file": "lib/sbi/conv.c",
            "function": "ogs_sbi_time_from_string"
        }
    }
]
vanir_signatures_modified 
"2026-09-09T08:07:05Z"